Pro The Speedmachines are certainly fully featured: Dual cuff-alignment, adjustable flex, quick-set spoiler and a slick easy-slide material on the liner spine are just part of the story. The liner is slipper-smooth, the neoprene toe box stretches to accommodate the toes, and the geometry makes it easy to walk in.The women's is fur-lined, and its cuff expands to fit wider calves. It's less muscular than the Top Fuel, but edge changes are smooth and effective. Several testers noted that the fit is large. "Anything less than a D width requires buckling to the end of the range, which blocks flex," said Gleason. But the luxurious ride wins the day. "More like a well-appointed Lexus than a BMW roadster," said Rossi. Con New Super Booster power strap isn't as supple as the older elastic-based model. Top Scores Entry/Exit 3.9, Adjustability 3.8, Skiing Comfort 3.8